What is the cheapest airline that flies from Buffalo to Caribbean Islands?

Frontier, Delta, and American Airlines are the most popular carriers operating from Buffalo to Caribbean Islands

What airlines fly to Caribbean Islands?

JetBlue, American Airlines and Southwest are the top three most popular airlines that fly to Caribbean Islands from Buffalo according to our data. JetBlue is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Caribbean Islands. Keep in mind that there are 6 different airlines that fly to Caribbean Islands on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?

Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.

How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?

There are 6 operators available for flights from Buffalo Airport to Caribbean Islands as of September 2026.

How old do you have to be to fly from Buffalo Airport to Caribbean Islands?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.

What documentation or ID do you need to fly to Caribbean Islands?

The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$110 Cheap Flights from Buffalo to Caribbean Islands in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Caribbean Islands

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:08 pm - 8:48 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 40m1 stop New York John F Kennedy Intl

10:43 am - 6:33 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 50m1 stop New York John F Kennedy Intl

$216JetBlue

Wed, Nov 18 - Wed, Dec 2

2:54 pm - 11:49 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

8h 55m1 stop Boston Logan Intl

6:00 am - 1:19 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

7h 19m1 stop Boston Logan Intl

$216JetBlue

Sat, Oct 24 - Fri, Oct 30

1:11 pm - 10:57 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

9h 46m1 stop Philadelphia

6:00 am - 10:54 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

16h 54m1 stop Dallas/Fort Worth

$220American Airlines

Sat, Oct 24 - Sat, Oct 31

5:30 am - 6:01 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

11h 31m2 stops Washington, D.C. Reagan-National Miami

8:19 am - 10:56 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

15h 37m1 stop Miami

$220American Airlines

Tue, Feb 9 - Sun, Feb 14

5:45 pm - 12:10 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 25m1 stop Baltimore/Washington

5:35 pm - 11:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 10m1 stop Baltimore/Washington

$220Southwest

Fri, Oct 16 - Fri, Oct 23

5:45 pm - 12:10 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 25m1 stop Baltimore/Washington

5:50 am - 12:05 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 15m1 stop Baltimore/Washington

$220Southwest

Thu, Oct 22 - Tue, Oct 27

1:48 pm - 12:59 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

10h 11m1 stop Atlanta Hartsfield-Jackson

6:25 pm - 6:34 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

25h 09m1 stop Atlanta Hartsfield-Jackson

$222Frontier

Mon, Nov 16 - Thu, Dec 3

1:48 pm - 12:59 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

10h 11m1 stop Atlanta Hartsfield-Jackson

10:21 pm - 8:24 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

23h 03m1 stop Orlando

$222Frontier

Mon, Nov 16 - Mon, Nov 23

6:30 am - 1:45 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 15m1 stop Newark

12:00 pm - 11:46 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

11h 46m2 stops Newark Washington, D.C. Dulles Intl

$231United Airlines

Mon, Oct 19 - Mon, Oct 26

6:00 am - 1:11 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 11m1 stop Newark

7:45 am - 8:31 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

13h 46m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$264United Airlines

Wed, Feb 3 - Sat, Feb 13

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 pm - 9:24 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 24m2 stops Washington, D.C. Reagan-National Miami

3:51 pm - 10:50 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 59m1 stop Charlotte Douglas

$318American Airlines

Sat, Sep 19 - Sat, Oct 24

6:51 pm - 1:52 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 01m1 stop Orlando

7:00 am - 5:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 45m1 stop Orlando

$326Frontier

Tue, Sep 22 - Thu, Oct 1

6:51 pm - 1:52 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 01m1 stop Orlando

7:00 am - 5:45 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 45m1 stop Orlando

$326Frontier

Tue, Sep 22 - Sun, Oct 4

6:10 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 44m1 stop Washington, D.C. Dulles Intl

1:00 am - 1:11 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

12h 11m2 stops Newark Chicago O'Hare Intl

$350United Airlines

Mon, Sep 21 - Fri, Oct 23

12:00 pm - 10:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

10h 05m2 stops Baltimore/Washington Orlando

2:25 pm - 9:10 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 45m1 stop Baltimore/Washington

$356Southwest

Wed, Sep 23 - Wed, Sep 30

3:00 pm - 10:05 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 05m1 stop Baltimore/Washington

6:00 am - 12:30 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

6h 30m1 stop Baltimore/Washington

$356Southwest

Wed, Sep 23 - Wed, Sep 30

3:58 pm - 10:19 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

6h 21m1 stop Atlanta Hartsfield-Jackson

2:59 pm - 11:52 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 53m1 stop Atlanta Hartsfield-Jackson

$364Delta

Wed, Sep 23 - Wed, Sep 30

6:05 am - 1:45 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

7h 40m1 stop Atlanta Hartsfield-Jackson

2:59 pm - 11:52 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

8h 53m1 stop Atlanta Hartsfield-Jackson

$364Delta

Tue, Sep 22 - Wed, Sep 30

5:00 pm - 9:24 amBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

16h 24m2 stops Washington, D.C. Reagan-National Miami

12:41 pm - 10:50 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

10h 09m1 stop Charlotte Douglas

$366American Airlines

Sat, Sep 19 - Sat, Oct 24

7:00 am - 8:38 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

13h 38m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

1:00 am - 1:11 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

12h 11m2 stops Newark Chicago O'Hare Intl

$370United Airlines

Sat, Sep 19 - Fri, Oct 23

Cheap direct flights

Enter your travel dates to find the best prices.

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$266JetBlue

Wed, Oct 21 - Mon, Oct 26

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:50 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 35mnonstop

$266JetBlue

Wed, Oct 14 - Wed, Oct 21

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$266JetBlue

Fri, Oct 23 - Mon, Oct 26

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$266JetBlue

Mon, Oct 19 - Mon, Oct 26

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$266JetBlue

Sat, Oct 24 - Sat, Oct 31

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$266JetBlue

Wed, Oct 21 - Wed, Oct 28

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$278JetBlue

Sat, Oct 24 - Fri, Oct 30

8:00 am - 12:50 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 50mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$281JetBlue

Mon, Oct 26 - Mon, Oct 26

8:15 am - 12:54 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 39mnonstop

6:15 pm - 10:57 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 42mnonstop

$286JetBlue

Fri, Oct 23 - Mon, Oct 26

8:15 am - 2:00 pmBUF Buffalo-SJU San Juan Luis Munoz Marin Intl

4h 45mnonstop

2:30 pm - 6:11 pmSJU San Juan Luis Munoz Marin Intl-BUF Buffalo

4h 41mnonstop

$286JetBlue

Wed, Nov 18 - Mon, Nov 23

Save money when you book flights with momondo

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Frontier flights from Buffalo to Caribbean Islands

Our best Frontier deals on Buffalo to Caribbean Islands flight tickets

Frontier

Nov 16

BUF1:48 pmBuffalo

10h 11m

1 stop

SJU12:59 amSan Juan Luis Munoz Marin Intl

Nov 23

SJU10:21 pmSan Juan Luis Munoz Marin Intl

23h 03m

1 stop

BUF8:24 pmBuffalo

$222

Frontier

Oct 13

BUF6:51 pmBuffalo

19h 45m

1 stop

SJU2:36 pmSan Juan Luis Munoz Marin Intl

Oct 20

SJU7:20 amSan Juan Luis Munoz Marin Intl

10h 36m

1 stop

BUF5:56 pmBuffalo

$254

Frontier

Oct 13

BUF6:51 pmBuffalo

19h 45m

1 stop

SJU2:36 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU6:42 pmSan Juan Luis Munoz Marin Intl

23h 10m

1 stop

BUF5:52 pmBuffalo

$259

JetBlue flights from Buffalo to Caribbean Islands

Our best JetBlue deals on Buffalo to Caribbean Islands flight tickets

JetBlue

Oct 24

BUF2:54 pmBuffalo

8h 55m

1 stop

SJU11:49 pmSan Juan Luis Munoz Marin Intl

Oct 30

SJU6:00 amSan Juan Luis Munoz Marin Intl

7h 19m

1 stop

BUF1:19 pmBuffalo

$216

JetBlue

Oct 13

BUF2:54 pmBuffalo

8h 55m

1 stop

SJU11:49 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU10:30 amSan Juan Luis Munoz Marin Intl

8h 33m

1 stop

BUF7:03 pmBuffalo

$221

JetBlue

Oct 14

BUF8:15 amBuffalo

4h 39m

SJU12:54 pmSan Juan Luis Munoz Marin Intl

Oct 21

SJU10:30 amSan Juan Luis Munoz Marin Intl

8h 33m

1 stop

BUF7:03 pmBuffalo

$246

momondo Fare Finder

Use the filters below to find and compare flights from Buffalo to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 11/18

12:08 pm-8:48 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Wed 12/2

10:43 am-6:33 pm

1 stop8h 50m

$216

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 10/24

2:54 pm-11:49 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Fri 10/30

6:00 am-1:19 pm

1 stop7h 19m

$216

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Sat 10/24

1:11 pm-10:57 pm

1 stop9h 46m

San Juan Luis Munoz Marin Intl

Sat 10/31

6:00 am-10:54 pm

1 stop16h 54m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Tue 2/9

5:30 am-6:01 pm

2 stops11h 31m

San Juan Luis Munoz Marin Intl

Sun 2/14

8:19 am-10:56 pm

1 stop15h 37m

$220

Quickest round-trip

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Fri 10/16

5:45 pm-12:10 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Fri 10/23

5:35 pm-11:45 pm

1 stop6h 10m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Thu 10/22

5:45 pm-12:10 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Tue 10/27

5:50 am-12:05 pm

1 stop6h 15m

$220

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 11/16

1:48 pm-12:59 am

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Thu 12/3

6:25 pm-6:34 pm

1 stop25h 09m

$222

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 11/16

1:48 pm-12:59 am

1 stop10h 11m

San Juan Luis Munoz Marin Intl

Mon 11/23

10:21 pm-8:24 pm

1 stop23h 03m

$222

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Mon 10/19

6:30 am-1:45 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Mon 10/26

12:00 pm-11:46 pm

2 stops11h 46m

$231

BuffaloSan Juan

BUF Buffalo - SJU San Juan Luis Munoz Marin Intl

BUFSJU

Buffalo

Wed 2/3

6:00 am-1:11 pm

1 stop6h 11m

San Juan Luis Munoz Marin Intl

Sat 2/13

7:45 am-8:31 pm

2 stops13h 46m

$264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buffalo to Caribbean Islands

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Caribbean Islands?

The month of May is, on average, the cheapest month to fly to Caribbean Islands from Buffalo, with most prices found around $500. The month of January is another great option to travel to Caribbean Islands, with average flight prices from Buffalo averaging around $508.

What is the cheapest day to depart on your flight to Caribbean Islands?

The cheapest day to depart from Buffalo to Caribbean Islands is on a Tuesday. Travelers who choose to depart for Caribbean Islands on a Tuesday will often find tickets for as low as $390. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $495. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

What is the cheapest Buffalo to Caribbean Islands flight route?

Fly from Buffalo to San Juan Luis Munoz Marin Intl for the best Buffalo - Caribbean Islands flight prices

How far in advance should I book a flight from Buffalo to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $384 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Buffalo for as low as $317 on momondo.

What cabin class options are available on Buffalo to Caribbean Islands flights?

There are 2 cabin classes available to choose from on Buffalo to Caribbean Islands flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Buffalo to Caribbean Islands.

Cheap Buffalo to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Caribbean Islands

Best Price Found	$110
Fastest flight time	3h 15m
Direct flights	Mon, Tue, Thu, Sat and Sun
Airports in Caribbean Islands	100 airports

The best one-way flight to Caribbean Islands from Buffalo in the past 72 hours is $110. The best round-trip flight deal from Buffalo to Caribbean Islands found on momondo in the last 72 hours is $216.

The fastest flight from Buffalo to Caribbean Islands takes 3h 15m

Direct flights go from Buffalo to Caribbean Islands on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

There are 100 airports in Caribbean Islands. From Buffalo there are direct flights to San Juan Luis Munoz Marin Intl (SJU).

Search flight deals

Frequently asked questions about flying from Buffalo to Caribbean Islands

When did momondo last update prices for flights from Buffalo Airport to Caribbean Islands?
Prices for flights from Buffalo Airport to Caribbean Islands refresh daily.
How many operators does momondo search for flights from Buffalo Airport to Caribbean Islands?
There are 6 operators available for flights from Buffalo Airport to Caribbean Islands as of September 2026.
How old do you have to be to fly from Buffalo Airport to Caribbean Islands?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Caribbean Islands.
What documentation or ID do you need to fly to Caribbean Islands?
The necessary travel and health documents for your Caribbean Islands trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Buffalo to Caribbean Islands?
momondo data reveals that the most frequently booked plane model on the route from Buffalo to Caribbean Islands is Airbus A320-100/200, representing 20.18% of all bookings. The subsequent popular models are Airbus A220-300 at 14.27%, Boeing 737 MAX 8 at 9.67%, and Embraer 175 at 8.54%.

Best airlines flying from Buffalo to Caribbean Islands

Compare and see reviews for airlines that fly from Buffalo to Caribbean Islands with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $106	Free Cancellation	Rating 7.8 8,579 reviews	Search Delta flights
JetBlue	PriceFrom $138	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
Frontier	PriceFrom $153	Free Cancellation	Rating 5.6 2,600 reviews	Search Frontier flights
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 12,076 reviews	Search American Airlines flights
Southwest	PriceFrom $250	Free Cancellation	Rating 8.0 4,189 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Caribbean Islands?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Caribbean Islands. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to Caribbean Islands with flexible booking policies on momondo?

momondo does allow users to show only those flights to Caribbean Islands from Buffalo which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Buffalo to Caribbean Islands?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Caribbean Islands from Buffalo.

I’m not ready to book a flight from Buffalo to Caribbean Islands right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Caribbean Islands from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.